聚藻（学名：Myriophyllum spicatum），又名穗状狐尾藻、泥茜、或金鱼藻。为小二仙草科狐尾藻属下的一个种。

Myriophyllum spicatum (Eurasian watermilfoil or spiked water-milfoil) is native to Europe, Asia, and north Africa. It is a submerged aquatic plant, and grows in still or slow-moving water.